Updated SDWebImage#976 according to comments via review

heroims · Sep 30, 2015 · a16d007 · a16d007
1 parent 577fefa
commit a16d007
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/SDWebImage/SDImageCache.m b/SDWebImage/SDImageCache.m
@@ -181,9 +181,9 @@ - (NSString *)cachedFileNameForKey:(NSString *)key {
     }
     unsigned char r[CC_MD5_DIGEST_LENGTH];
     CC_MD5(str, (CC_LONG)strlen(str), r);
-    NSString *filename = [NSString stringWithFormat:@"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x.%@",
-                                                    r[0], r[1], r[2], r[3], r[4], r[5], r[6], r[7], r[8], r[9], r[10], r[11], r[12], r[13], r[14], r[15],
-                                                    [key pathExtension]];
+    NSString *filename = [NSString stringWithFormat:@"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%@",
+                          r[0], r[1], r[2], r[3], r[4], r[5], r[6], r[7], r[8], r[9], r[10],
+                          r[11], r[12], r[13], r[14], r[15], [[key pathExtension] isEqualToString:@""] ? @"" : [NSString stringWithFormat:@".%@", [key pathExtension]]];
 
     return filename;
 }